so it's the economy, just the gr greater economy. but people have cited health care costs, the cost of complying with regulation. but mostly, small business has helped as the economy has helped. >> there are some businesses doing better than others. are there particular categories that are thriving? >> if you go to silicon valley, it is an entirely different world. i mean, hiring there is up to pre-recession levels, internet boom levels. because of that, other sectors, not just tech, are doing well. because people have money. so places like construction is doing well there where it's not in other parts of the country. >> that's part of this whole immigration debate because they're hiring so many skilled workers and how do we get the skilled workers that are needed to fill the demand. >> the silicon valley is spearheading that entire debate. >> ground zero for that. which are having difficulty? >> construction, for small businesses. so when we got the jobs report, we saw construction jobs are increasing some. but for small businesses,